| 1. | Red triangle slugs and blue planarian live on the forest floor.
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| 2. | Planarians are also an emerging model organism for aging research.
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| 3. | Planarians exhibit an extraordinary ability to regenerate lost body parts.
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| 4. | Some species of land planarians have become invasive pest species.
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| 5. | Answer : " A planarian worm instinctively seeks the light ."
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| 6. | At the head of the planarian there is a ganglion under the eyespots.
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| 7. | It is believed that these planarians came to the US on horticultural plants.
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| 8. | Thus, one of their gametes will combine with the gamete of another planarian.
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| 9. | Each planarian transports its excretion to the other planarian, giving and receiving sperm.
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| 10. | Each planarian transports its excretion to the other planarian, giving and receiving sperm.
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